AST NJ207 E cylindrical roller bearings
Offer High Quality Brand AST NJ207 E cylindrical roller bearings .Contact Us 47 Outer Diameter (mm) Online to 30x47x9 Size (mm) Get Best Quote.
Size (mm) | 30x47x9 |
Bore Diameter (mm) | 30 |
Outer Diameter (mm) | 47 |
Width (mm) | 9 |
d | 30 mm |
D | 47 mm |
B | 9 mm |
C | 9 mm |
Angle (α) | 15 ° |
d1 | 35.1 mm |
d2 | 33.9 mm |
D1 | 42.15 mm |
D2 | 43.45 mm |
a | 10 mm |
Contact angle α | 17 ° |
rs min | 0.3 mm |
r1s min | 0.3 mm |
f0 | 8.32 |
Precision class | P4S |
Mass | 0.05 kg |
Dynamic load, C | 4.6 kN |
Static load, C0 | 2.75 kN |
Fatigue limit load, Cu | 0.15 kN |
Nlim (grease) | 42,000 rpm |
Axial displacement K Factor | 1.44 |
Preload level | 7 |
Preload value | 0.023 kN |
Axial rigidity | 28 N/µm |
Radial rigidity | 139 N/µm |
Min operating temperature, Tmin | -20 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.45 Hz |
Characteristic rolling element frequency, BSF | 9.45 Hz |
Characteristic outer ring frequency, BPF0 | 9.9 Hz |
Characteristic inner ring frequency, BPFI | 12.1 Hz |
da min | 32.5 mm |
db min | 32.5 mm |
Da max | 44.5 mm |
Db max | 44.5 mm |
r1a max | 0.3 mm |
ra max | 0.3 mm |
D6 | 36.5 mm |
Detailed Parameters
parameter:
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